<html>
<head>
<link type="text/css" href="jquery-ui.css" />
<script src="jquery.js" type="text/javascript"></script>
<script src="popup.js" type="text/javascript"></script>
</head>
<body>
	<div>
		<button id="testbutton">test</button>
	</div>
</body>
</html>